Tech

  1. Math

    Maybe there’s a way to find out if reality is a computer simulation

    Randomness.

    By Tom Siegfried
  2. Tech

    Printed robot moves with a beat

    Tiny device created with a 3-D printer employs heart cells to make it move.

    By Rachel Ehrenberg
  3. Tech

    Building robots that slither

    Howie Choset is a roboticist, but his team’s creations bear little resemblance to C-3PO or R2-D2. Instead, Choset finds inspiration in nature — specifically, snakes.

    By Roberta Kwok
  4. Tech

    Tiny muscles pull a big punch

    Coated carbon nanotubes form the basis of this smart new material.

    By Rachel Ehrenberg
  5. Tech

    Beginnings of Bionic

    Electronics that bend with the human body may soon make their way into medical devices to track health, deliver treatments and improve surgery.

    By Meghan Rosen
  6. Tech

    Plastic fantastic seals in speeding projectiles

    Layered nanomaterial shows how bulletproof polymers wrap around penetrating particles.

    By Rachel Ehrenberg
  7. Tech

    Cancer cells executed by magnet

    Metal nanoparticles trigger cell's own death machinery.

    By Rachel Ehrenberg
  8. Tech

    Degradable devices vanish after use

    Technique combines silicon, magnesium and silk for medical implants, transistors and digital cameras that can melt away.

    By Rachel Ehrenberg
  9. Tech

    Science Past from the issue of October 6, 1962

    By Science News
  10. Tech

    Facebook peer pressure gets out the vote

    People were more likely to take part in the November 2010 election when they were told that their online friends already had.

    By Rachel Ehrenberg
  11. Tech

    When Networks Network

    Once studied solo, systems display surprising behavior when they interact.

    By Elizabeth Quill
  12. Tech

    Unmixing oil and water

    A new filter that separates the two substances only using gravity could help clean oil spills.

    By Rachel Ehrenberg